EP1492238A3 - Circuit de génération de signaux numériques - Google Patents

Circuit de génération de signaux numériques Download PDF

Info

Publication number
EP1492238A3
EP1492238A3 EP04020211A EP04020211A EP1492238A3 EP 1492238 A3 EP1492238 A3 EP 1492238A3 EP 04020211 A EP04020211 A EP 04020211A EP 04020211 A EP04020211 A EP 04020211A EP 1492238 A3 EP1492238 A3 EP 1492238A3
Authority
EP
European Patent Office
Prior art keywords
rot
signal
lsb
rotated
msb
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP04020211A
Other languages
German (de)
English (en)
Other versions
EP1492238A2 (fr
EP1492238B1 (fr
Inventor
Ian Juso Dedic
Sanjay Ashwin-Kumar Umedbhai Patel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from GBGB9926650.4A external-priority patent/GB9926650D0/en
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of EP1492238A2 publication Critical patent/EP1492238A2/fr
Publication of EP1492238A3 publication Critical patent/EP1492238A3/fr
Application granted granted Critical
Publication of EP1492238B1 publication Critical patent/EP1492238B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/06—Continuously compensating for, or preventing, undesired influence of physical parameters
    • H03M1/0617—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by the use of methods or means not specific to a particular type of detrimental influence
    • H03M1/0634—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by the use of methods or means not specific to a particular type of detrimental influence by averaging out the errors, e.g. using sliding scale
    • H03M1/0656—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by the use of methods or means not specific to a particular type of detrimental influence by averaging out the errors, e.g. using sliding scale in the time domain, e.g. using intended jitter as a dither signal
    • H03M1/066—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by the use of methods or means not specific to a particular type of detrimental influence by averaging out the errors, e.g. using sliding scale in the time domain, e.g. using intended jitter as a dither signal by continuously permuting the elements used, i.e. dynamic element matching
    • H03M1/0673—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by the use of methods or means not specific to a particular type of detrimental influence by averaging out the errors, e.g. using sliding scale in the time domain, e.g. using intended jitter as a dither signal by continuously permuting the elements used, i.e. dynamic element matching using random selection of the elements
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/66—Digital/analogue converters
    • H03M1/74—Simultaneous conversion
    • H03M1/742—Simultaneous conversion using current sources as quantisation value generators
    • H03M1/747—Simultaneous conversion using current sources as quantisation value generators with equal currents which are switched by unary decoded digital signals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/30—Delta-sigma modulation
    • H03M3/50—Digital/analogue converters using delta-sigma modulation as an intermediate step
    • H03M3/502—Details of the final digital/analogue conversion following the digital delta-sigma modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Analogue/Digital Conversion (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Control Of Electric Motors In General (AREA)
  • Control Of Velocity Or Acceleration (AREA)
EP04020211A 1999-11-10 2000-10-26 Circuit de génération de signaux numériques Expired - Lifetime EP1492238B1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GBGB9926650.4A GB9926650D0 (en) 1999-11-10 1999-11-10 Noise shaping in segmented mixed-signal circuitry
GB9926650 1999-11-10
GB0002049 2000-01-28
GB0002049A GB0002049D0 (en) 1999-11-10 2000-01-28 Noise-shaping in segmented mixed-signal circuitry
EP00309413A EP1100203B1 (fr) 1999-11-10 2000-10-26 Mise en forme du spectre de bruit aux circuits segmentés à signaux mélangés

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP00309413.3 Division 2000-10-26
EP00309413A Division EP1100203B1 (fr) 1999-11-10 2000-10-26 Mise en forme du spectre de bruit aux circuits segmentés à signaux mélangés

Publications (3)

Publication Number Publication Date
EP1492238A2 EP1492238A2 (fr) 2004-12-29
EP1492238A3 true EP1492238A3 (fr) 2005-03-02
EP1492238B1 EP1492238B1 (fr) 2006-05-24

Family

ID=26243511

Family Applications (3)

Application Number Title Priority Date Filing Date
EP00309413A Expired - Lifetime EP1100203B1 (fr) 1999-11-10 2000-10-26 Mise en forme du spectre de bruit aux circuits segmentés à signaux mélangés
EP04020211A Expired - Lifetime EP1492238B1 (fr) 1999-11-10 2000-10-26 Circuit de génération de signaux numériques
EP04020210A Expired - Lifetime EP1492237B1 (fr) 1999-11-10 2000-10-26 Mise en forme du spectre de bruit dans les circuits segmentés à signaux mélangés

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP00309413A Expired - Lifetime EP1100203B1 (fr) 1999-11-10 2000-10-26 Mise en forme du spectre de bruit aux circuits segmentés à signaux mélangés

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP04020210A Expired - Lifetime EP1492237B1 (fr) 1999-11-10 2000-10-26 Mise en forme du spectre de bruit dans les circuits segmentés à signaux mélangés

Country Status (4)

Country Link
US (1) US6456218B1 (fr)
EP (3) EP1100203B1 (fr)
JP (1) JP3980825B2 (fr)
DE (3) DE60025141T2 (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE60119476T2 (de) 2000-10-26 2006-11-23 Fujitsu Ltd., Kawasaki Segmentierte Schaltungsanordnung
US7046181B2 (en) * 2001-11-21 2006-05-16 Analog Devices, Inc. 2n-1 Shuffling network
JP2005513853A (ja) * 2001-12-18 2005-05-12 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ デジタル・アナログ・コンバータ
US6762702B2 (en) * 2002-01-24 2004-07-13 Broadcom Corporation Shuffler apparatus and related dynamic element matching technique for linearization of unit-element digital-to-analog converters
US6614377B1 (en) * 2002-02-08 2003-09-02 Analog Devices, Inc. Data-directed scrambler for noise-shaping mixed-signal converters with an arbitrary number of quantization levels
CN1813408A (zh) * 2003-06-27 2006-08-02 皇家飞利浦电子股份有限公司 动态非线性得到降低的电流导引数模转换器
DE10331545A1 (de) * 2003-07-11 2005-02-10 Infineon Technologies Ag Digital-Analog-Wandler und Verfahren zur Digital-Analog-Wandlung
US7193548B2 (en) * 2004-01-30 2007-03-20 Hrl Laboratories, Llc Switching arrangement and DAC mismatch shaper using the same
US7375667B2 (en) * 2006-09-19 2008-05-20 Agilent Technologies, Inc. Discrete synthesis using staggered Nyquist regions avoids guard band induced holes near a Nyquist limit
US8094052B2 (en) * 2007-05-03 2012-01-10 Qualcomm, Incorporated Circuit and method for dynamically selecting circuit elements
EP2026467B1 (fr) * 2007-07-30 2011-07-13 ST-Ericsson SA Convertisseur numérique/analogique de commande de courant particulièrement insensible aux contraintes liées à l'emballage
US7705757B2 (en) * 2007-11-30 2010-04-27 Analog Devices, Inc. Gain matching method and system for single bit gain ranging analog-to-digital converter
US8085177B2 (en) * 2009-09-22 2011-12-27 Mediatek Singapore Pte. Ltd. Digital to analog converter system and method with multi-level scrambling
CN105099458B (zh) * 2014-05-09 2018-06-29 中芯国际集成电路制造(上海)有限公司 温度计译码器
JP7099904B2 (ja) * 2018-08-21 2022-07-12 株式会社メガチップス デコーダ回路およびデコーダ回路の設計方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5138317A (en) * 1988-02-17 1992-08-11 Data Conversion Systems Limited Digital to analogue converter adapted to select input sources based on a preselected algorithm once per cycle of a sampling signal
US5760726A (en) * 1996-08-23 1998-06-02 Motorola, Inc. Digital-to-analog converter with dynamic matching and bit splitting

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6347058Y2 (fr) * 1980-03-03 1988-12-06
EP0253950B1 (fr) 1986-07-21 1991-07-17 Deutsche ITT Industries GmbH Convertisseur numérique-analogique monolithique intégrable
DE3778554D1 (de) 1987-12-10 1992-05-27 Itt Ind Gmbh Deutsche Digital/analog-wandler mit zyklischer ansteuerung von stromquellen.
US5539405A (en) * 1993-07-29 1996-07-23 Cirrus Logic, Inc. DAC achieving monotonicity with equal sources and shift array therefor
US5404142A (en) * 1993-08-05 1995-04-04 Analog Devices, Incorporated Data-directed scrambler for multi-bit noise shaping D/A converters
US5844515A (en) * 1994-11-04 1998-12-01 Lg Semicon Co., Ltd Digital to analog converter and bias circuit therefor
JP3469326B2 (ja) * 1994-08-16 2003-11-25 バー−ブラウン・コーポレーション デジタル−アナログ変換器
US6124813A (en) * 1997-06-06 2000-09-26 Analog Devices, Inc. Self-linearizing multi-bit DACs
JP3771006B2 (ja) 1997-07-09 2006-04-26 株式会社ルネサステクノロジ Ｄ／ａコンバータ
GB2333190B (en) 1998-01-08 2002-03-27 Fujitsu Ltd Cell array circuitry

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5138317A (en) * 1988-02-17 1992-08-11 Data Conversion Systems Limited Digital to analogue converter adapted to select input sources based on a preselected algorithm once per cycle of a sampling signal
US5760726A (en) * 1996-08-23 1998-06-02 Motorola, Inc. Digital-to-analog converter with dynamic matching and bit splitting

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
BAIRD R T ET AL: "LINEARITY ENHANCEMENT OF MULTIBIT DELTA SIGMA A/D AND CONVERTERS USING DATA WIGHTED AVERAGING", IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II: ANALOG AND DIGITAL SIGNAL PROCESSING, IEEE INC. NEW YORK, US, vol. 42, no. 12, 1 December 1995 (1995-12-01), pages 753 - 762, XP000553740, ISSN: 1057-7130 *
LEUNG B H ET AL: "MULTIBIT SIGMA-DELTA A/D CONVERTER INCORPORATING A NOVEL CLASS OF DYNAMIC ELEMENT MATCHING TECHNIQUES", IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II: ANALOG AND DIGITAL SIGNAL PROCESSING, IEEE INC. NEW YORK, US, vol. 39, no. 1, 1992, pages 35 - 51, XP000306844, ISSN: 1057-7130 *
NYS O J A P ET AL: "AN ANALYSIS OF DYNAMIC ELEMENT MATCHING TECHNIQUES IN SIGMA-DELTA MODULATION", 1996 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS (ISCAS). CIRCUITS AND SYSTEMS CONNECTING THE WORLD. ATLANTA, MAY 12 - 15, 1996, IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS (ISCAS), NEW YORK, IEEE, US, vol. 1, 12 May 1996 (1996-05-12), pages 231 - 234, XP000825556, ISBN: 0-7803-3074-9 *
RADKE R ET AL: "A spurious-free delta-sigma DAC using rotated data weighted averaging", PROCEEDINGS OF THE IEEE 1999 CUSTOM INTEGRATED CIRCUITS CONFERENCE. (CICC). SAN DIEGO, CA, MAY 16 - 19, 1999, IEEE CUSTOM INTEGRATED CIRCUITS CONFERENCE, NEW YORK, NY: IEEE, US, vol. CONF. 21, 1999, pages 125 - 128, XP002159559, ISBN: 0-7803-5444-3 *

Also Published As

Publication number Publication date
JP3980825B2 (ja) 2007-09-26
EP1492238A2 (fr) 2004-12-29
DE60025141T2 (de) 2006-06-29
DE60030599D1 (de) 2006-10-19
EP1100203A3 (fr) 2004-05-06
DE60030599T2 (de) 2006-12-21
US6456218B1 (en) 2002-09-24
EP1492237A2 (fr) 2004-12-29
EP1100203B1 (fr) 2005-12-28
JP2001237704A (ja) 2001-08-31
EP1100203A2 (fr) 2001-05-16
EP1492237B1 (fr) 2006-09-06
DE60028262T2 (de) 2006-09-28
EP1492237A3 (fr) 2005-03-02
EP1492238B1 (fr) 2006-05-24
DE60025141D1 (de) 2006-02-02
DE60028262D1 (de) 2006-06-29

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